PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-09:27:40
G02     202.4          27.8                5.4 +/-    2.09       9.9 +/-    2.09  0.090 / 0.090
G06     165.8          63.3                9.0 +/-    0.59       9.9 +/-    0.59  0.100 / 0.060
G12     304.6          12.0                2.0 +/-    8.89       5.4 +/-    8.89  0.170 / 0.230
G17     33.5           51.0                6.5 +/-    1.10       8.1 +/-    1.10  0.180 / 0.360
G19     339.3          68.7                6.5 +/-    0.41       7.0 +/-    0.41  0.030 / 0.030
G24     300.0          38.3                5.8 +/-    1.76       8.7 +/-    1.76  0.030 / 0.020
G28     96.2           35.9                8.1 +/-    0.97      12.7 +/-    0.97  0.030 / 0.030